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#ifndef GY_DIAGRAMITEM_H
#define GY_DIAGRAMITEM_H

#include <QGraphicsPixmapItem>
#include <QVector>
#include <QFont>
#include "GY_PortItem.h"
QT_BEGIN_NAMESPACE
class QPixmap;
class QGraphicsSceneContextMenuEvent;
class QMenu;
class QPolygonF;
QT_END_NAMESPACE

class GY_Arrow;



//! [0]
class GY_DiagramItem : public QGraphicsPolygonItem
{

public:
    enum { Type = UserType + 15 };
    enum DiagramType { Step, StartEnd, Input, Output, Branch };  //

    GY_DiagramItem(DiagramType diagramType, QMenu *contextMenu, QString str, QColor textColor, int fontPixelSize, QGraphicsItem *parent = nullptr);

    void removeArrow(GY_Arrow *arrow);
    void removeArrows();
    DiagramType diagramType() const { return myDiagramType; }
    QPolygonF polygon() const { return myPolygon; }
    void addArrow(GY_Arrow *arrow);
    void addPort(GY_PortItem::PortType,GY_PortItem*);
    QPixmap image() const;
    int type() const override { return Type; }
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
    const QVector<GY_Arrow *>& GetArrows() const {return arrows;}
    QVector<GY_PortItem*> GetPortsProcO() const {return portsProcO;}
    QVector<GY_PortItem*> GetPortsProcI() const {return portsProcI;}
    QVector<GY_PortItem*> GetPortsDataO() const {return portsDataO;}
    QVector<GY_PortItem*> GetPortsDataI() const {return portsDataI;}
    const QString& GetName() const {return name;}
    QString GetUuid() const {return uuid;}
    QPolygonF& GetPolygon() {return myPolygon;}
    void Higher(GY_PortItem* port);
    void ItemChange();
    QString getName() const;

    QString getTips() const;  //功能说明

protected:
    void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
    QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;

signals:



private:
    DiagramType myDiagramType;
    QPolygonF myPolygon;
    QMenu *myContextMenu;
    QVector<GY_Arrow *> arrows;
    QVector<GY_PortItem*> portsProcI;
    QVector<GY_PortItem*> portsProcO;
    QVector<GY_PortItem*> portsDataI;
    QVector<GY_PortItem*> portsDataO;
    QString name;  //图元名称
    QString uuid;  //唯一标识
    QString tips;  //功能说明
    qreal width;
    qreal height;
    QColor myTextColor;  //文字颜色
    int myFontPixelSize;  //字体像素大小
};
//! [0]

#endif // GY_DIAGRAMITEM_H
